Term
| Stress that pulls apart or elongates a rock body |
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Definition
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Term
| Stress that squeezes and shortens a rock mass |
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Definition
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Term
| Stress that is applied parallel to the surface |
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Definition
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Term
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Definition
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Term
Dip slip fault in which hanging wall block moves down relative to footwall
Divergent |
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Definition
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Term
| Normal faults with low angles of depth |
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Definition
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Term
Dip slip fault in which hanging wall block moves up relative to footwall block
What type of plate boundaries |
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Definition
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Term
Reverse faults having dips less than 45 degrees
Overlying block moves nearly horizontally over underlying
What type of plate boundaries |
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Definition
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Term
A fault in which the dominant displacement is horizontal and parallel to the trust or strike of the fault surface
Stress type
Tectonic Setting |
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Definition
Strike strip fault
Shear Stress
Transform Fault |
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Term
| Where is limb located on a fold |
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Definition
| The two sides of the fold |
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Term
| Where is the fold axis on a fold? |
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Definition
| Imaginary line drawn down the points of maximum curvature of the fault |
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Term
| Axial Plane location on a fold |
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Definition
| The axial plane divides the fold into two limbs |
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Term
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Definition
| Folds mirror images of eachother |
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Term
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Definition
| Axial plane leaning one way or the other so one limb is steeper and shorter than the other |
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Term
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Definition
| If one or both limbs are tilted beyond vertical |
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Term
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Definition
| When axial plane is near horizontal |
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Term
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Definition
| The axis of the fold penetrates the ground |
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Term
| Anticline vs. syncline symbol |
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Definition
Anticline symbols point away
Syncline symbols point toward |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Fracture within the rock movement on either side |
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Definition
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Term
| A thrust fault that does not rupture all the way to the surface |
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Definition
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Term
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Definition
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Term
| Altered and pulverized rock along fault |
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Definition
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Term
| Water that collects at the lowest parts of the depression between two fault strands |
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Definition
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Term
| The amount or distance by which something is out of line after a strike slip earthquake |
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Definition
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Term
| The distance that something has moved from a reference point after an earthquake |
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Definition
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Term
| The relative displacement of adjacent points on opposite sides of a fault |
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Definition
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Term
| Bends in strike slip faults create___ |
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Definition
| Secondary stress of deformation |
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Term
Offset drainage and offset alluvial fans
Sag pond
Linear valley
Associated with |
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Definition
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Term
Can faults occur away from plate boundaries?
Example? |
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Definition
Yes
New Madrid Fault through east coast of U.S., caused Oklahoma earthquake |
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Term
Basin and Range Location
Fault that caused it
Topography |
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Definition
Nevada
Normal Faults
Mountain valley topography |
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